1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkStippleMaskFilter_DEFINED 9 #define SkStippleMaskFilter_DEFINED 10 11 #include "SkMaskFilter.h" 12 13 /** 14 * Simple MaskFilter that creates a screen door stipple pattern. 15 */ 16 class SK_API SkStippleMaskFilter : public SkMaskFilter { 17 public: SkStippleMaskFilter()18 SkStippleMaskFilter() : INHERITED() { 19 } 20 21 virtual bool filterMask(SkMask* dst, const SkMask& src, 22 const SkMatrix& matrix, 23 SkIPoint* margin) const SK_OVERRIDE; 24 25 // getFormat is from SkMaskFilter getFormat()26 virtual SkMask::Format getFormat() const SK_OVERRIDE { 27 return SkMask::kA8_Format; 28 } 29 30 SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;) 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkStippleMaskFilter); 32 33 protected: SkStippleMaskFilter(SkFlattenableReadBuffer & buffer)34 SkStippleMaskFilter(SkFlattenableReadBuffer& buffer) 35 : SkMaskFilter(buffer) { 36 } 37 38 private: 39 typedef SkMaskFilter INHERITED; 40 }; 41 42 #endif // SkStippleMaskFilter_DEFINED 43